GM Service Manual Online
For 1990-2009 cars only

Component

Resistance 20°C (68°F)

Resistance 100°C (212°F)

Resistance to Ground - Case

3rd Clutch Pressure Switch

∞ohms

∞ohms

Greater than 10 M ohms

4th Clutch Pressure Switch

∞ohms

∞ohms

Greater than 10 M ohms

Automatic Transmission Input Shaft Speed Sensor

∞ohms

∞ohms

Greater than 10 M ohms

Automatic Transmission Output Shaft Speed Sensor

∞ohms

∞ohms

Greater than 10 M ohms

Clutch Pressure Control Solenoid Valve 1

3-9 ohms

4-10 ohms

Greater than 250 K ohms

Clutch Pressure Control Solenoid Valve 2

3-9 ohms

4-10 ohms

Greater than 250 K ohms

Shift Solenoid Valve 1

19-24 ohms

24-31 ohms

--

Shift Solenoid Valve 2

19-24 ohms

24-31 ohms

--

Shift Solenoid Valve 3

19-24 ohms

24-31 ohms

--

TCC Enable Control Solenoid Valve

19-24 ohms

24-31 ohms

--

TCC Pressure Control Solenoid Valve

3-9 ohms

4-10 ohms

Greater than 250 K ohms

*Transmission Fluid Temperature (TFT) Sensor

1850-1950 ohms

164-190 ohms

Greater than 20 M ohms

*Important: The resistance of this device is dependent on the temperature. Therefore, the resistance varies far more than any other device.